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-rw-r--r--fs/nilfs2/super.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 990ead43a833..5403b3ef3a42 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -479,6 +479,8 @@ static int nilfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
seq_printf(seq, ",errors=panic");
if (nilfs_test_opt(sbi, STRICT_ORDER))
seq_printf(seq, ",order=strict");
+ if (nilfs_test_opt(sbi, NORECOVERY))
+ seq_printf(seq, ",norecovery");
return 0;
}
@@ -547,7 +549,7 @@ static const struct export_operations nilfs_export_ops = {
enum {
Opt_err_cont, Opt_err_panic, Opt_err_ro,
- Opt_nobarrier, Opt_snapshot, Opt_order,
+ Opt_nobarrier, Opt_snapshot, Opt_order, Opt_norecovery,
Opt_err,
};
@@ -558,6 +560,7 @@ static match_table_t tokens = {
{Opt_nobarrier, "nobarrier"},
{Opt_snapshot, "cp=%u"},
{Opt_order, "order=%s"},
+ {Opt_norecovery, "norecovery"},
{Opt_err, NULL}
};
@@ -608,6 +611,9 @@ static int parse_options(char *options, struct super_block *sb)
sbi->s_snapshot_cno = option;
nilfs_set_opt(sbi, SNAPSHOT);
break;
+ case Opt_norecovery:
+ nilfs_set_opt(sbi, NORECOVERY);
+ break;
default:
printk(KERN_ERR
"NILFS: Unrecognized mount option \"%s\"\n", p);
@@ -863,6 +869,14 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
goto restore_opts;
}
+ if (!nilfs_valid_fs(nilfs)) {
+ printk(KERN_WARNING "NILFS (device %s): couldn't "
+ "remount because the filesystem is in an "
+ "incomplete recovery state.\n", sb->s_id);
+ err = -EINVAL;
+ goto restore_opts;
+ }
+
if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
goto out;
if (*flags & MS_RDONLY) {